A. “Approved backflow assembly” means a backflow assembly accepted by the department of health as meeting an applicable specification or as suitable for the proposed use.

B. “Auxiliary water supply” means any water supply on or available to the premises other than the City’s public water supply will be considered as an auxiliary water supply. The auxiliary waters may include water from another public potable water supply or any natural source(s) such as a well, spring, river, stream, harbor, etc., or “used water” or “industrial fluids”. These waters may be contaminated or they may be objectionable and constitute an acceptable water source over which the City does not have authority for sanitary control.

C. “Backflow” means the reversal of the normal flow of water by either back-pressure of back-siphonage.

D. “Back-pressure” means the flow of water or other liquids, mixtures, or substances under pressure into the distribution pipes of a potable water supply system from any source(s) other than the intended source.

E. “Back-siphonage” means the flow of water or other liquids, mixtures, or substances into the distribution pipes of a potable water supply system from any source(s) other than the intended source, caused by the reduction of pressure in the potable water supply system.

F. “Backflow prevention assembly” means an assembly or means designed to prevent backflow. Specifications for backflow prevention assemblies are contained within the Utah Plumbing Code, Chapter 10 (Appendix J), and the Cross Connection Control Program for Utah. All backflow prevention assemblies must be approved by the Utah Department of Health prior to installation. A listing of these approved backflow prevention assemblies may be found in the Cross Connection Control Program for Utah.

G. “Consumer” means a household and the individuals who reside therein which is connected to, and receiving its water supply from, the public drinking water delivery system.

H. “Contamination” means an impairment of the quality of the potable water supply by sewage, industrial fluids, waste liquids, compounds or other materials to a degree which creates an actual or potential hazard to the public health through poisoning or through the spread of disease.

I. “Cross-connection” means any physical connection or arrangement of piping or fixtures between two otherwise separate piping systems, one of which contains potable water and the other non-potable water or industrial fluids of questionable safety, through which, or because of which, backflow may occur into the potable water system. This would include any temporary connections, such as swing connections, removable sections, four-way plug valves, spools, dummy sections of pipe, swivel or change-over devices or sliding multiport tubes.

J. “Cross-connection-Controlled” means a connection between a potable water system and a non-potable water system with an approved backflow prevention assembly properly installed and maintained so that it will continuously afford the protection commensurate with the degree of hazard.

K. “Cross-connection containment” means the installation of an approved backflow assembly at the water service connection to any customer’s premises where it is physically and economically infeasible to find and permanently eliminate or control all actual or potential cross-connections within the customer’s water system; or it shall mean the installation of an approved backflow prevention assembly on the service line leading to and supplying a portion of a customer’s water system where there are actual or potential cross-connections which cannot be effectively eliminated or controlled at the point of the cross-connection (isolation).

L. “Designated agent” means the person designated to be in charge of the water department of the City, and is invested with the authority and responsibility for the implementation of an effective cross-connection control program and for the enforcement of the provisions of this chapter.

M. “May” is permissive.

N. “Point of entry water treatment device” means any device designed to alter water quality which is installed on the consumer’s household plumbing in such a manner that all water entering the household plumbing is affected by the device.

O. “Point of use water treatment device” means any device designed to alter water quality which is installed on a specific tap or outlet of a consumer’s plumbing in such a manner that only water issuing from that tap or outlet becomes affected by the device.

P. “Public drinking water system” means any system which has at least fifteen service connections, or serves at least five individuals daily at least sixty days out of the year.

Q. “Shall” is mandatory. (Ord. 88-02 (part), 1988; Ord. 87-01 § 2, 1987)